# OpenChat：智能AI聊天写作机器人 vs YT EXPRESS

The clearest difference is in-app purchases: YT EXPRESS at none against OpenChat：智能AI聊天写作机器人's 3. YT EXPRESS also leads on iOS requirement (13.0 vs 15.0). OpenChat：智能AI聊天写作机器人's advantage is update cadence (every 3 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. OpenChat：智能AI聊天写作机器人 sells 3 in-app purchases, starting at $3.99 per 7 days. YT EXPRESS asks for nothing beyond the download.

OpenChat：智能AI聊天写作机器人 ships an update every 3 days, YT EXPRESS monthly. The most recent releases landed on September 10, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | OpenChat：智能AI聊天写作机器人 | YT EXPRESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openchatai/id6446251183/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 66 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Shenzhen Houtuo Network Technology Co., Ltd.](https://appshunter.io/developer/1586925470) | [朝俊 刘](https://appshunter.io/developer/1854271231) |

## What reviewers say

### OpenChat：智能AI聊天写作机器人

[App page](https://appshunter.io/ios/app/openchatai/id6446251183)

This AI-powered assistant helps you solve problems across various fields with advanced language models. It offers writing, translation, and conversational support, making your work and life more convenient and engaging.

**Highlights:** AI-powered problem solving, Multilingual support, Article writing assistance, Translation capabilities, Conversational AI companion, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| OpenChat季度会员 | $14.99 | per 3 months |
| OpenChat年度会员 | $29.99 | per year |


### YT EXPRESS

[App page](https://appshunter.io/ios/app/yt-express/id6755675016)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OpenChat：智能AI聊天写作机器人 free?

OpenChat：智能AI聊天写作机器人 is free to download, with in-app purchases available.

### Is YT EXPRESS free?

YT EXPRESS is free to download, with no in-app purchases.

### Do OpenChat：智能AI聊天写作机器人 or YT EXPRESS have ads?

Neither OpenChat：智能AI聊天写作机器人 nor YT EXPRESS shows ads.

### Which is updated more often, OpenChat：智能AI聊天写作机器人 or YT EXPRESS?

OpenChat：智能AI聊天写作机器人 ships an update every 3 days, and YT EXPRESS monthly. Most recently, OpenChat：智能AI聊天写作机器人 was updated on September 10, 2026 and YT EXPRESS on September 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*